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The Arch-Duke of the Austro-Hungarian Empire was assasssinated by a serbian nationalist.
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First declaration of war.
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Great Britain declares war on Germany.
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First offensive by the French
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Italy joined the Triple Entente.
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A battle between Germans and British.
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Was the longest and most costly battle on the Western Front.
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Because of the Zimmerman telegram.
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American Army wins
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A German Republic has born
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The Central Powers sign the armistice.